Marc Ketel's Open Source Projects

Recently added & updated

AVR-demo-board

🥳 Recently updated⭐4 🤝1HTML

AVR demo boards for old AT90S* microcontrollers.

Run my RISC-V emulator on an ARM Cortex-M0+ (SAMD21)

RISC-V-emulator-SAM

🎉 Recently addedC

Run my RISC-V emulator on an ARM Cortex-M0+ (SAMD21)

RISC-V emulator (RV32I + M/A/C/B/Zicsr) that runs on vintage 8-bit AVR microcontrollers like the AT90S8535, with SPI RAM, flash and SD-card support.

RISC-V-emulator-AVR

🎉 Recently addedC

RISC-V emulator (RV32I + M/A/C/B/Zicsr) that runs on vintage 8-bit AVR microcontrollers like the AT90S8535, with SPI RAM, flash and SD-card support.

All projects

2026 (7)

🎉 New

RISC-V-emulator-SAM

Run my RISC-V emulator on an ARM Cortex-M0+ (SAMD21)

🎉 New

RISC-V-emulator-AVR

RISC-V emulator (RV32I + M/A/C/B/Zicsr) that runs on vintage 8-bit AVR microcontrollers like the AT90S8535, with SPI RAM, flash and SD-card support.

🎉 New

RISC-V-emulator-SimAVR

Run RISC-V Architectural Certification Tests on an emulated atmega1284p via simavr.

🎉 New

RISC-V-emulator-Tools-Container

RISC-V Architectural Certification Tests with supporting tools in a container.

Dockerfile

GNSSpot

GNSSpot is an ESP32-based firmware that transforms a GNSS module into a fully networked GPS/NMEA server.

⭐1C++

Wi-Fi-probe-request-listener

A combination of firmware for an ESP32-C3 that captures Wi-Fi probe requests and a web application for real-time visualization.

JavaScript

LLModelScoring

A PHP application that evaluates capabilities (like programming or other textual generation) of different LLM models via the OpenRouter API.

PHP

2025 (10)

American-Clock

A patriotic digital clock displaying time in **HH:SS:MM** format with an American red/white/blue theme and subtle stars animation.

CSS

LedBanner-multicast-receiver

A LedBanner multicast receiver. Works when connected to the RevSpace WiFi.

⭐3C

n-teller-xl-diy

n-teller-xl-diy is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

⭐1HTML

ST7789-76x284

A platformio example project running on a ESP8266 demonstrating the TFT_eSPI library working with an ST7789 76x284 TFT display module.

⭐9C++

n-teller

n-teller is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

⭐2HTML

3D-Sorting-Algorithm-Visualizer

Interactive 3D visualizer for sorting algorithms built with Three.js.

JavaScript

🥳 Updated

RPSLS-Simulation

An emergent RPSLS simulation with animated emoji entities, showcasing dynamic group behaviors and continuous evolution on an HTML5 Canvas.

JavaScript

A Vibe-Coded TRON-inspired infinite UNIX terminal animation with retro CRT effects, built using pure HTML, CSS, and JavaScript. Features multi-phase command sequences, realistic typing simulation, and customizable sci-fi aesthetics — all in a lightweight, dependency-free package.

JavaScript